gecko-dev/dom/base/AutoSuppressEventHandlingAn...

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef dom_base_AutoSuppressEventHandlingAndSuspend_h
#define dom_base_AutoSuppressEventHandlingAndSuspend_h
#include "mozilla/dom/Document.h"
#include "nsCOMPtr.h"
#include "nsPIDOMWindow.h"
#include "nsTArray.h"
namespace mozilla::dom {
class BrowsingContext;
class BrowsingContextGroup;
/**
* Suppresses event handling and suspends the active inner window for all
* in-process documents in a BrowsingContextGroup. This should be used while
* spinning the event loop for a synchronous operation (like `window.open()`)
* which affects operations in any other window in the same BrowsingContext
* group.
*/
class MOZ_RAII AutoSuppressEventHandlingAndSuspend {
public:
explicit AutoSuppressEventHandlingAndSuspend(BrowsingContextGroup* aGroup);
~AutoSuppressEventHandlingAndSuspend();
private:
void SuppressBrowsingContext(BrowsingContext* aBC);
AutoTArray<RefPtr<Document>, 16> mDocuments;
AutoTArray<nsCOMPtr<nsPIDOMWindowInner>, 16> mWindows;
};
} // namespace mozilla::dom
#endif